Dart strings Cheat Sheet (DRAFT) by nimakarimian

   String str1 = 'this is a single line string'; 
   String str2 = "this is a single line string"; 
   String str3 = '''this is a multi
                         line line string'''; 
   String str4 = """this is a multiline line string""";

String.codeUnits
void main() { 
   String str = "Hello"; 
   print(str.codeUnits); 
}

   String str1 = "hello"; 
   String str2 = "world"; 
   String res = str1+str2;

String.isEmpty
Returns true if the string is empty; else returns false.

String.length

void main() { 
   String str = "Hello All"; 
   print("The length of the string is: ${str.length}"); 
}

${exp1+exp2} or any other operator */-+% ~/
void main() { 
   int n=1+1; 
   
   String str1 = "The sum of 1 and 1 is ${n}"; 
   print(str1); 
   
   String str2 = "The sum of 2 and 2 is ${2+2}"; 
   print(str2); 
}